CN215035713U - Simple tool holder device for numerically controlled lathe - Google Patents
Simple tool holder device for numerically controlled lathe Download PDFInfo
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- CN215035713U CN215035713U CN202120882184.4U CN202120882184U CN215035713U CN 215035713 U CN215035713 U CN 215035713U CN 202120882184 U CN202120882184 U CN 202120882184U CN 215035713 U CN215035713 U CN 215035713U
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- tool holder
- holder device
- cutter
- cutter holder
- device body
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Abstract
The utility model relates to a simple cutter holder device for a numerical control lathe, which comprises a cutter holder device body, a cutter holder mounting hole matched with the diameter of a cutter holder is arranged on the cutter holder device body according to the diameter of the cutter holder, a rectangle flat with a B processing surface and a C processing surface is processed on one side of the cutter holder device body according to the width and the height of a cutter groove of a revolving cutter holder, the cutter holder device body is arranged in the cutter groove of the revolving cutter holder through the rectangle flat, the height of the cutter holder point is consistent with the center of a lathe spindle, a cutting seam is arranged on the other side of the cutter holder device body along the horizontal direction from the cutter holder mounting hole, a notch is arranged above the cutting seam and positioned at the left upper part of the cutter holder device body, 4-6 screw holes penetrating the cutting seam are arranged on the notch along a cutter holder length platform, the utility model has accurate positioning with the cutter holder, convenient clamping, and can improve the stability of the cutter holder operation after being assembled, the milling of the flat part of the excircle of the circular cutter bar is avoided, and the strength of the cutter bar is reduced.
Description
Technical Field
The utility model belongs to the technical field of machining, especially, relate to a stability that can improve the cutter arbor and convenient to use's simple and easy numerical control lathe tool holder device with the cutter arbor clamping is convenient and with the cutter arbor equipment back commonly used in simple and easy numerical control lathe processing.
Background
The simple numerical control lathe rotary tool rest cutter groove is usually square and is generally provided with a square cutter body, the cutter bars for boring holes are mostly circular cutter bars at ordinary times, three flat cutter bars need to be milled for the convenience of clamping, so that the clamping is firm, and the milling height and the gasket thickness need to be determined according to the central height of a spindle; the strength of the cutter bar can be weakened after the cutter bar is reformed, and the clamping is unstable.
Disclosure of Invention
An object of the utility model is to overcome exist among the prior art not enough and provide one kind and can improve cutter arbor intensity and stability, more do benefit to the simple and easy cutter holder device for numerical control lathe of hole processing, through install the cutter arbor in the cutter holder and with the screw with cutter arbor and cutter holder fastening messenger's cutter holder install in lathe gyration tool rest inslot and realize.
The purpose of the utility model is realized like this: the utility model provides a simple and easy cutter holder device for numerical control lathe, includes cutter holder device body, according to the cutter arbor diameter on cutter holder device body set up with cutter arbor diameter matched with cutter arbor mounting hole, it is flat to process out the rectangle that has B machined surface and C machined surface according to the sword groove width of revolving tool rest and height in one side of cutter holder device body, and cutter holder device body is flat to be installed in the sword inslot that gets of revolving tool rest through the rectangle, guarantees that the cutter arbor knife tip is unanimous with lathe main shaft center height, has seted up a cutting seam from cutter arbor mounting hole along the horizontal direction to cutter holder device body opposite side the upper left side position of cutting seam is located cutter holder device body and has seted up jaggedly on the breach along cutter holder length platform set up 4 ~ 6 screw holes that run through the cutting seam.
The fit clearance between the cutter bar and the cutter bar mounting hole is set to be 0.05-0.1 mm.
The distance from the rectangular flat B processing surface to the center of the cutter bar mounting hole is consistent with the height of the center of the main shaft.
The notch is a trapezoidal notch, the trapezoidal notch is provided with an inclined plane on the tool holder device body, and the inclined plane and the upper surface of the tool holder device body (1) form an angle of 75 degrees.
The width of the rectangular flat part is 1-5 mm smaller than the width of the cutter groove of the rotary cutter frame, and the height of the rectangular flat part is 1-5 mm smaller than the height of the cutter groove of the rotary cutter frame.
The technical scheme of the utility model the positive effect that produces as follows:
the utility model discloses the device is made simply, avoids carrying out the flat portion with circular cutter arbor excircle and mills, reduces cutter arbor intensity. Make series cutter holder according to the cutter arbor diameter, with the cutter arbor location accuracy, the clamping is convenient, can improve the stability of cutter arbor operation after the equipment, economical and practical.
In order to better realize inner hole boring, a form of tool holder is designed and manufactured by adopting proper materials according to the bore diameter and the bore depth and the central height of a main shaft, so that high strength, good plasticity and good toughness are obtained. With the tool holder in the form, the boring tool bar does not need to be modified, and the height of the tool nose is consistent with that of the main shaft after the tool bar is installed. The cutter holder is favorable for the extension of the cutter bar and the proper adjustment of the angle of the cutter head, the clamping is convenient, the stability of the cutter bar is good after the cutter bar is installed, the looseness is not easy, the strength of the cutter bar is enhanced, and the inner hole machining of a deep hole is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the structure of the present invention.
Detailed Description
As shown in fig. 1 and 2, a simple tool holder device for a numerically controlled lathe comprises a tool holder device body 1, a tool holder mounting hole 2 matched with the diameter of a tool holder is formed in the tool holder device body 1 according to the diameter of the tool holder, a rectangular flat 3 with a processing surface B and a processing surface C is machined on one side of the tool holder device body 1 according to the width and height of a tool groove of a rotary tool rest, the tool holder device body 1 is mounted in the tool groove of the rotary tool rest through the rectangular flat 3, the height of a tool holder tool nose is consistent with the center height of a lathe spindle, a cutting seam 6 is formed in the other side of the tool holder device body 1 along the horizontal direction from the tool holder mounting hole 2, a notch 7 is formed in the upper left side of the tool holder device body 1 in the position above the cutting seam 6, and 4-6 screw holes 8 penetrating through the cutting seam 6 are formed in the notch 7 along a tool holder length platform.
The fit clearance between the cutter bar and the cutter bar mounting hole 2 is set to be 0.05-0.1 mm.
The distance from the B processing surface of the rectangular flat 3 to the center of the cutter bar mounting hole 2 is consistent with the height of the center of the main shaft.
The notch 7 is a trapezoidal notch, and the trapezoidal notch is provided with an inclined plane on the tool holder device body 1, and the inclined plane forms an angle of 75 degrees with the upper surface of the tool holder device body 1.
The width 4 of the rectangular flat 3 is 1-5 mm smaller than the knife groove width of the rotary knife rest, and the height 5 of the rectangular flat 3 is 1-5 mm smaller than the knife groove height of the rotary knife rest.
The utility model discloses processing out the aperture with cutter arbor matched with according to the cutter arbor diameter in the device, set in 0.05 ~ 0.1mm with cutter arbor fit clearance, the cutter clamping dress is at the centre of aperture behind the revolving knife rest highly unanimous with lathe main shaft center to guarantee that the cutter arbor knife tip height is unanimous with main shaft center. The cutter holder device processes out a rectangular flat shape according to the width and the height of the cutter groove of the rotary cutter rest, the width of the flat shape is 1-5 less than that of the cutter groove of the rotary cutter rest, and the height of the rotary cutter rest is 1-5 less than that of the cutter groove, so that the cutter holder can be smoothly arranged in the cutter groove and the height of the center can be adjusted. The processed B plane is consistent with the center of the aperture and the height of the center of the main shaft.
The C surface and the B surface of the cutter holder device are formed by clamping and processing at one time, the B, C surfaces are used as the reference to find the diameter phi D and the gap 3 of the cutter holder which is linearly cut by more than 0.02mm, the form and position tolerance is ensured, and the cutter bar precision after assembly is ensured. For the cutter arbor of hugging closely, mill a platform and 75 jiaos above the breach, according to design 4 ~ 6 screw holes on the cutter holder length platform, the cutter arbor is adorned and is adjusted the back compression screw, hugs closely the cutter arbor.
The cutter holder device is designed to ensure the strength of the cutter holder and consider the weight of the cutter holder at the same time, and the distance between the aperture of the cutter holder and the C surface is 5-10 mm.
The length L of the tool holder device is generally consistent with the length of the tool groove, and can also be set according to the length of the tool bar and the depth of a machined inner hole, so that the stability and the strength of the tool bar after being assembled can reach the optimal state.
The cutter holder device can be processed by a high-strength alloy steel stub bar (such as 30CrMnSiNi 2A), can achieve high strength, good plastic toughness and good fatigue resistance, and can improve the use stability and strength of the cutter bar to the maximum extent.
The utility model discloses the device is made simply, avoids carrying out the flat portion with circular cutter arbor excircle and mills, reduces cutter arbor intensity. Make series cutter holder according to the cutter arbor diameter, with the cutter arbor location accuracy, the clamping is convenient, can improve the stability of cutter arbor operation after the equipment, economical and practical.
Claims (5)
1. The utility model provides a simple and easy toolholder device for numerically controlled lathe, includes toolholder device body (1), its characterized in that: the tool holder device comprises a tool holder device body (1), a tool holder mounting hole (2) matched with the tool holder diameter is formed in the tool holder device body (1) according to the tool groove diameter, a rectangular flat part (3) with a B processing surface and a C processing surface is machined in one side of the tool holder device body (1) according to the tool groove width and the height of a rotary tool rest, the tool holder device body (1) is installed in the tool groove of the rotary tool rest through the rectangular flat part (3), the tool holder tool point is guaranteed to be consistent with the center height of a lathe spindle, a cutting seam (6) is formed in the other side of the tool holder device body (1) along the horizontal direction from the tool holder mounting hole (2), a notch (7) is formed in the upper left side, located on the tool holder device body (1), of the upper portion of the cutting seam (6), and 4-6 screw holes (8) penetrating through the cutting seam (6) are formed in the notch (7) along a tool holder length platform.
2. The tool holder device for the simple numerically controlled lathe according to claim 1, wherein: the fit clearance between the cutter bar and the cutter bar mounting hole (2) is set to be 0.05-0.1 mm.
3. The tool holder device for the simple numerically controlled lathe according to claim 1, wherein: the distance from the B processing surface of the rectangular flat (3) to the center of the cutter bar mounting hole (2) is consistent with the height of the center of the main shaft.
4. The tool holder device for the simple numerically controlled lathe according to claim 1, wherein: the notch (7) is a trapezoidal notch which is provided with an inclined plane on the tool holder device body (1),
the inclined plane and the upper surface of the tool holder device body (1) form an angle of 75 degrees.
5. The tool holder device for the simple numerically controlled lathe according to claim 1, wherein: the width (4) of the rectangular flat (3) is 1-5 mm smaller than the knife groove width of the rotary knife rest, and the height (5) of the rectangular flat (3) is 1-5 mm smaller than the knife groove height of the rotary knife rest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120882184.4U CN215035713U (en) | 2021-04-27 | 2021-04-27 | Simple tool holder device for numerically controlled lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120882184.4U CN215035713U (en) | 2021-04-27 | 2021-04-27 | Simple tool holder device for numerically controlled lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215035713U true CN215035713U (en) | 2021-12-07 |
Family
ID=79109181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120882184.4U Active CN215035713U (en) | 2021-04-27 | 2021-04-27 | Simple tool holder device for numerically controlled lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215035713U (en) |
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2021
- 2021-04-27 CN CN202120882184.4U patent/CN215035713U/en active Active
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